Model Number: HD-001 Key Specifications/Special Features: SDS-plus hammer drill bits general flute type A, 2 Flute, 2 cutter fit into all hammers with the SDS-plus systemExtremely robust and wear-resistant, small land and wide flutes design for less heat built-up and maximum dual removalConforms to the demands of the institute for construction engineering, value plus quality for efficient and fast hammer drilling in hard materials like concrete, granite, brick and other similar building materials, drill Bits set are available, inch size are available too DiameterWorking lengthTotal length4mm45mm 110mm 4mm 95mm 160mm 5mm 45mm 110mm 5mm 95mm 160mm 5mm 147mm 210mm 5mm 247mm 310mm 5.5mm 45mm 110mm 5.5mm 95mm 160mm 5.5mm 147mm 210mm 5.5mm 197mm 260mm 5.5mm 247mm 310mm 6mm 45mm 110mm 6mm 97mm 160mm 6mm 147mm 210mm 6mm 197mm 260mm 6mm 397mm 460mm 6.5mm 45mm 110mm 6.5mm 97mm 160mm 6.5mm 147mm 210mm 6.5mm 197mm 260mm 7mm 45mm 110mm 7mm 97mm 160mm 7mm 147mm 210mm 8mm 45mm 110mm 8mm 97mm 160mm 8mm 147mm 210mm 8mm 197mm 260mm 8mm 247mm 310mm 8mm 397mm 460mm